6993480973 has 4 divisors (see below), whose sum is σ = 6993658620. Its totient is φ = 6993303328.

The previous prime is 6993480959. The next prime is 6993480983. The reversal of 6993480973 is 3790843996.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 952771689 + 6040709284 = 30867^2 + 77722^2 .

It is a cyclic number.

It is not a de Polignac number, because 6993480973 - 2⁵ = 6993480941 is a prime.

It is a super-2 number, since 2×6993480973² = 97817552239426053458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993480983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490 + ... + 118267.

It is an arithmetic number, because the mean of its divisors is an integer number (1748414655).

Almost surely, 2^6993480973 is an apocalyptic number.

It is an amenable number.

6993480973 is a deficient number, since it is larger than the sum of its proper divisors (177647).

6993480973 is a wasteful number, since it uses less digits than its factorization.

6993480973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177646.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The square root of 6993480973 is about 83627.0349408611. The cubic root of 6993480973 is about 1912.3371673803.

The spelling of 6993480973 in words is "six billion, nine hundred ninety-three million, four hundred eighty thousand, nine hundred seventy-three".